remove nodeport from eureka service (istio#1349)

Automatic merge from submit-queue

remove nodeport from eureka service

**What this PR does / why we need it**:
Removes `NodePort` designation from Eureka service. This might cause issues with the automated tests if it is not removed. Fortunately, no Eureka tests have been enabled yet, so it shouldn't be causing issues right now.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

pilot/test/integration/testdata/eureka.yaml.tmpl

@@ -9,7 +9,6 @@ spec:
     - protocol: TCP
       port: 8080
       name: http
-  type: NodePort
 ---
 apiVersion: apps/v1beta1 # for versions before 1.6.0 use extensions/v1beta1
 kind: Deployment